19882575

素因数分解:

$3^2\times 5^2\times {\mathrm{97}}^1\times {\mathrm{911}}^1$

素因数の和:1024

約数の個数: 36

約数和(自身を含む): 36018528

約数和(自身を除く): 16135953

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 97, 225, 291, 485, 873, 911, 1455, 2425, 2733, 4365, 4555, 7275, 8199, 13665, 21825, 22775, 40995, 68325, 88367, 204975, 265101, 441835, 795303, 1325505, 2209175, 3976515, 6627525, 19882575]

約数ペア:

[(1, 19882575), (3, 6627525), (5, 3976515), (9, 2209175), (15, 1325505), (25, 795303), (45, 441835), (75, 265101), (97, 204975), (225, 88367), (291, 68325), (485, 40995), (873, 22775), (911, 21825), (1455, 13665), (2425, 8199), (2733, 7275), (4365, 4555)]